Home / 12,010.73-18,015.71-5,436.92

Finding the Fourth Proportional to 12,010.73, 18,015.71 and 5,436.92

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Solution

The fourth proportional to 12,010.73, 18,015.71 and 5,436.92 is: 8,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.73 : 18,015.71 = 5,436.92 : x
  2. Step 2: Convert to fraction form
    12,010.73/18,015.71 = 5,436.92/x
  3. Step 3: Cross multiply
    12,010.73x = 18,015.71 × 5,436.92
  4. Step 4: Simplify right side
    12,010.73x = 97,949,856.75
  5. Step 5: Solve for x
    x = 97,949,856.75/12,010.73
  6. Step 6: Final answer
    x = 8,155.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.